diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 55 |
1 files changed, 22 insertions, 33 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 16349ba6873..c881347cb26 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -421,6 +421,8 @@ static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector) msixbm = E1000_EICR_RX_QUEUE0 << rx_queue; if (tx_queue > IGB_N0_QUEUE) msixbm |= E1000_EICR_TX_QUEUE0 << tx_queue; + if (!adapter->msix_entries && msix_vector == 0) + msixbm |= E1000_EIMS_OTHER; array_wr32(E1000_MSIXBM(0), msix_vector, msixbm); q_vector->eims_value = msixbm; break; @@ -877,7 +879,6 @@ static int igb_request_irq(struct igb_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; - struct e1000_hw *hw = &adapter->hw; int err = 0; if (adapter->msix_entries) { @@ -909,20 +910,7 @@ static int igb_request_irq(struct igb_adapter *adapter) igb_setup_all_tx_resources(adapter); igb_setup_all_rx_resources(adapter); } else { - switch (hw->mac.type) { - case e1000_82575: - wr32(E1000_MSIXBM(0), - (E1000_EICR_RX_QUEUE0 | - E1000_EICR_TX_QUEUE0 | - E1000_EIMS_OTHER)); - break; - case e1000_82580: - case e1000_82576: - wr32(E1000_IVAR0, E1000_IVAR_VALID); - break; - default: - break; - } + igb_assign_vector(adapter->q_vector[0], 0); } if (adapter->flags & IGB_FLAG_HAS_MSI) { @@ -1140,6 +1128,8 @@ int igb_up(struct igb_adapter *adapter) } if (adapter->msix_entries) igb_configure_msix(adapter); + else + igb_assign_vector(adapter->q_vector[0], 0); /* Clear any pending interrupts. */ rd32(E1000_ICR); @@ -1306,13 +1296,8 @@ void igb_reset(struct igb_adapter *adapter) hwm = min(((pba << 10) * 9 / 10), ((pba << 10) - 2 * adapter->max_frame_size)); - if (mac->type < e1000_82576) { - fc->high_water = hwm & 0xFFF8; /* 8-byte granularity */ - fc->low_water = fc->high_water - 8; - } else { - fc->high_water = hwm & 0xFFF0; /* 16-byte granularity */ - fc->low_water = fc->high_water - 16; - } + fc->high_water = hwm & 0xFFF0; /* 16-byte granularity */ + fc->low_water = fc->high_water - 16; fc->pause_time = 0xFFFF; fc->send_xon = 1; fc->current_mode = fc->requested_mode; @@ -3427,7 +3412,7 @@ static inline int igb_tso_adv(struct igb_ring *tx_ring, iph->daddr, 0, IPPROTO_TCP, 0); - } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) { + } else if (skb_is_gso_v6(skb)) { ipv6_hdr(skb)->payload_len = 0; tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr, @@ -3589,6 +3574,7 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb, for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) { struct skb_frag_struct *frag; + count++; i++; if (i == tx_ring->count) i = 0; @@ -3610,7 +3596,6 @@ static inline int igb_tx_map_adv(struct igb_ring *tx_ring, struct sk_buff *skb, if (pci_dma_mapping_error(pdev, buffer_info->dma)) goto dma_error; - count++; } tx_ring->buffer_info[i].skb = skb; @@ -4608,8 +4593,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf); - if (retval) + if (retval) { + /* if receive failed revoke VF CTS stats and restart init */ dev_err(&pdev->dev, "Error receiving message from VF\n"); + vf_data->flags &= ~IGB_VF_FLAG_CTS; + if (!time_after(jiffies, vf_data->last_nack + (2 * HZ))) + return; + goto out; + } /* this is a message we already processed, do nothing */ if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK)) @@ -4626,12 +4617,10 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) } if (!(vf_data->flags & IGB_VF_FLAG_CTS)) { - msgbuf[0] = E1000_VT_MSGTYPE_NACK; - if (time_after(jiffies, vf_data->last_nack + (2 * HZ))) { - igb_write_mbx(hw, msgbuf, 1, vf); - vf_data->last_nack = jiffies; - } - return; + if (!time_after(jiffies, vf_data->last_nack + (2 * HZ))) + return; + retval = -1; + goto out; } switch ((msgbuf[0] & 0xFFFF)) { @@ -4656,14 +4645,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf) break; } + msgbuf[0] |= E1000_VT_MSGTYPE_CTS; +out: /* notify the VF of the results of what it sent us */ if (retval) msgbuf[0] |= E1000_VT_MSGTYPE_NACK; else msgbuf[0] |= E1000_VT_MSGTYPE_ACK; - msgbuf[0] |= E1000_VT_MSGTYPE_CTS; - igb_write_mbx(hw, msgbuf, 1, vf); } |